Home / 283,705.90-391,514.14-156,384.24

Finding the Fourth Proportional to 283,705.90, 391,514.14 and 156,384.24

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Solution

The fourth proportional to 283,705.90, 391,514.14 and 156,384.24 is: 215,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,705.90 : 391,514.14 = 156,384.24 : x
  2. Step 2: Convert to fraction form
    283,705.90/391,514.14 = 156,384.24/x
  3. Step 3: Cross multiply
    283,705.90x = 391,514.14 × 156,384.24
  4. Step 4: Simplify right side
    283,705.90x = 61,226,641,233.15
  5. Step 5: Solve for x
    x = 61,226,641,233.15/283,705.90
  6. Step 6: Final answer
    x = 215,810.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.